CN217481749U

CN217481749U - Link mechanism and water pump device with same

Info

Publication number: CN217481749U
Application number: CN202221707298.6U
Authority: CN
Inventors: 周峰; 杜文军; 仝键
Original assignee: Honsun (nantong) Co ltd
Current assignee: Honsun (nantong) Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-09-23
Anticipated expiration: 2032-07-04

Abstract

The utility model provides a link mechanism and have its water pump unit, link mechanism includes eccentric gear, carrier ring, connecting rod, eccentric gear in carrier ring with carrier ring eccentric rotation cooperation, the carrier ring includes a load-bearing part, the connecting rod meets with the load-bearing part, the connecting rod is provided with the breach with the junction of load-bearing part, eccentric gear exerts pressure to the load-bearing part in eccentric rotation process, the load-bearing part produces deformation to the direction of breach; the utility model discloses the technical scheme who adopts passes through connecting rod sets up the breach with the department of meeting of carrier ring, reduces the back pressure that the carrier ring received alleviates friction and wearing and tearing between eccentric gear and the carrier ring have improved link mechanism's life.

Description

Link mechanism and water pump device with same

Technical Field

The utility model relates to a link mechanism technical field, concretely relates to link mechanism and have its water pumping plant.

Background

At present, in the market, one of the inner core parts of the electric tooth washing device or the electric nose washing device is an eccentric gear connecting rod and an eccentric gear, and the problem of abrasion between the eccentric gear and the eccentric gear connecting rod exists.

When the machine runs, the eccentric gear strikes the inner wall of the bearing ring of the connecting rod, and certain water pressure exists in the cylinder body, a back pressure is generated on the connecting rod, at the moment, the bearing ring also receives the back pressure in the same direction, the back pressure is opposite to the direction of the force applied to the bearing ring by the eccentric gear, so that the friction force between the eccentric gear and the bearing ring is increased, when the eccentric gear rotates at a high speed, the abrasion between the eccentric gear and the bearing ring is aggravated, the eccentric gear and the bearing ring cannot be used, and the machine performance of the whole machine is influenced.

Disclosure of Invention

An object of the utility model is to provide a link mechanism and have its pumping plant to solve above-mentioned problem.

The utility model discloses the technical scheme who adopts does:

the connecting rod mechanism comprises an eccentric gear, a bearing ring and a connecting rod, wherein the eccentric gear is in eccentric rotation fit with the bearing ring in the bearing ring, the bearing ring comprises a bearing part, the connecting rod is connected with the bearing part, a gap is formed in the joint of the connecting rod and the bearing part, the eccentric gear applies pressure to the bearing part in the eccentric rotation process, and the bearing part deforms towards the gap.

As a further improved technical proposal of the utility model,

the connecting rod comprises a connecting rod main body and a connecting plate which are sequentially connected, the connecting plate outwards extends in a V shape from the end part of the connecting rod main body, supporting ribs are connected to two sides of the connecting plate, the supporting ribs extend to the bearing ring from the end part of the connecting rod main body, and the gap is a space surrounded by the connecting plate, the supporting ribs and the bearing part.

As a further improved technical scheme of the utility model, the brace rod is provided with the fillet with the junction of carrier ring.

As a further improved technical scheme of the utility model, the breach is isosceles trapezoid or triangle-shaped or circular or oval-shaped.

As a further improved technical scheme of the utility model, connecting rod and carrier ring integrated into one piece.

As the utility model discloses further modified technical scheme, be provided with the strengthening rib between connecting rod and the carrier ring.

As a further improved technical scheme of the utility model, the contact department of bearing part and eccentric gear is provided with the abrasionproof pad.

As a further improved technical scheme of the utility model, the bearing part adopts elastic material.

As the utility model discloses further modified technical scheme, eccentric gear includes coaxial setting and synchronous pivoted driven fluted disc and gear shaft, the cover is equipped with eccentric sleeve on the gear shaft.

The utility model provides a water pumping device, water pumping device includes the cylinder body, be provided with foretell link mechanism in the cylinder body, the one end of keeping away from the carrier ring of connecting rod still is provided with the piston, the piston sets up in the cylinder body and coaxial with the cylinder body.

The utility model discloses the beneficial effect who has does:

the connecting rod is provided with a notch at the joint of the bearing ring, so that the back pressure borne by the bearing ring is reduced, the friction and the abrasion between the eccentric gear and the bearing ring are relieved, and the service life of the connecting rod mechanism is prolonged.

Drawings

Fig. 1 is a schematic structural view of a conventional link mechanism;

FIG. 2 is a schematic view of the structure of the connecting rod and the bearing ring of the present invention;

FIG. 3 is a schematic view of the construction of an eccentric gear;

fig. 4 is a schematic structural diagram of the water pump device.

Wherein: 1-eccentric gear, 101-driven fluted disc, 102-gear shaft, 103-eccentric shaft sleeve, 2-bearing ring, 201-bearing part, 3-connecting rod, 301-connecting rod main body, 302-connecting plate, 303-supporting rib, 4-notch, 5-cylinder and 6-piston.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the accompanying drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.

If the present invention is described with reference to orientations (e.g., up, down, left, right, front, back, outer, inner, etc.), the orientation involved needs to be defined, e.g., "to clearly convey the position and orientation described in the present invention, with reference to the operator of the instrument, the end near the operator is the proximal end, and the end away from the operator is the distal end. "or" with reference to the paper "and the like. Of course, if the positional relationship between the two is defined by cross-reference at the time of the subsequent description, it may not be defined here.

As shown in fig. 1, in the conventional link mechanism, an eccentric gear 1 impacts an inner wall of a bearing ring 2 of a link 3 during high-speed rotation, and the bearing ring 2 is simultaneously subjected to water pressure transmitted from a cylinder 5, so that friction and abrasion between the bearing ring 2 and the eccentric gear 1 are increased, and there is a risk of damage and non-use.

Therefore, the utility model provides a link mechanism is in order to solve above-mentioned problem, as shown in fig. 2, fig. 3, fig. 4, link mechanism includes eccentric gear 1, carrier ring 2, connecting rod 3, eccentric gear 1 is in carrier ring 2 with carrier ring 2 eccentric normal running fit, carrier ring 2 includes a carrier 201, connecting rod 3 meets with carrier 201, connecting rod 3 is provided with breach 4 with carrier 201's junction, at this moment, the water pressure that comes from the transmission in the cylinder body 5 that carrier 201 received has reduced greatly, eccentric gear 1 is at eccentric rotation in-process to bearing 201 applied pressure, carrier 201 produces deformation to breach 4's direction, has alleviateed friction and wearing and tearing between carrier 201 and the eccentric gear 1.

Fig. 2 shows an embodiment of the present invention, the connecting rod 3 further includes a connecting rod main body 301 and a connecting plate 302 which are connected in sequence, the connecting plate 302 is a lateral wall which is outwardly V-shaped from the end of the connecting rod main body 301 and extends to the bearing ring 2, the two sides of the connecting plate 302 are connected with supporting ribs 303, the supporting ribs 303 extend to the lateral wall of the bearing ring 2 from the end of the connecting rod main body 301, and the gap 4 is a space surrounded by the lateral walls of the connecting plate 302, the supporting ribs 303 and the bearing part 201.

As a further improvement, the joint of the support rib 303 and the carrier ring 2 is provided with a fillet, which improves the support strength of the support rib 303 to the carrier ring 2.

As a further improvement, the connecting rod 3 and the bearing ring 2 are integrally formed, so that the stress is reduced, and the strength is improved.

As a further improvement of the present invention, the gap 4 is approximately isosceles trapezoid or triangle or circle or ellipse, so that the structure has higher strength.

As a further improvement of the utility model, be provided with the strengthening rib between connecting rod 3 and the carrier ring 2, specifically, brace rod 303 extends to the lateral wall of carrier ring 2 from connecting rod 3, remedies owing to set up breach 4 and lead to right the not enough problem of holding power of carrier ring 2.

As a further improvement of the present invention, the bearing portion 201 is made of an elastic material, and the impact from the eccentric gear 1 is buffered.

As a further improvement of the present invention, the bearing part 201 is provided with an anti-wear pad, the anti-wear pad is disposed on the inner circular surface of the bearing part 201, that is, the bearing part 201 is in contact with the eccentric gear 1 to relieve the friction and wear between the bearing part 201 and the eccentric gear 1.

As shown in fig. 3, the eccentric gear 1 includes a driven toothed disc 101 and a gear shaft 102 which are coaxially arranged and synchronously rotate, an eccentric bushing 103 is sleeved on the gear shaft 102, the driven toothed disc 101, the gear shaft 102 and the eccentric bushing 103 synchronously rotate, and the rotation of the eccentric bushing 103 pushes the movement of the bearing ring 2 and the connecting rod 3.

As shown in fig. 4, the utility model also provides a water pump device, including cylinder body 5, be full of water in the cylinder body 5, be provided with foretell link mechanism in the cylinder body 5, the one end of keeping away from carrier ring 2 of connecting rod 3 still is provided with piston 6, piston 6 sets up in cylinder body 5 and coaxial with cylinder body 5 for accept the pressure of the water in the cylinder body 5.

The utility model provides a technical scheme passes through connecting rod 3 sets up breach 4 with the department of meeting of carrier ring 2, reduces the back pressure that carrier ring 2 received is alleviated friction and wearing and tearing between eccentric gear 1 and the carrier ring 2 have improved link mechanism's life.

It should be understood that although the specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it will be appreciated by those skilled in the art that the specification as a whole may be appropriately combined to form other embodiments as will be apparent to those skilled in the art.

The above list of detailed descriptions is only for the specific description of the feasible embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the technical spirit of the present invention should be included within the scope of the present invention.

Claims

1. The connecting rod mechanism comprises an eccentric gear (1), a bearing ring (2) and a connecting rod (3), wherein the eccentric gear (1) is eccentrically and rotationally matched with the bearing ring (2) in the bearing ring (2), and the connecting rod mechanism is characterized in that:

the bearing ring (2) comprises a bearing part (201), the connecting rod (3) is connected with the bearing part (201), a notch (4) is arranged at the joint of the connecting rod (3) and the bearing part (201), the eccentric gear (1) applies pressure to the bearing part (201) in the eccentric rotation process, and the bearing part (201) deforms in the direction of the notch (4).

2. The linkage mechanism according to claim 1, wherein:

connecting rod (3) are including connecting rod main part (301) and connecting plate (302) that connect gradually, connecting plate (302) outwards are the V type from the tip of connecting rod main part (301) and extend, the both sides of connecting plate (302) are connected with brace rod (303), brace rod (303) extend to bearing ring (2) from the tip of connecting rod main part (301), breach (4) are the space that connecting plate (302), brace rod (303) and bearing part (201) enclose.

3. The linkage mechanism according to claim 2, wherein:

and a fillet is arranged at the joint of the support rib (303) and the bearing ring (2).

4. The linkage mechanism according to claim 1, wherein:

the gap (4) is in an isosceles trapezoid shape, a triangular shape, a circular shape or an oval shape.

5. The linkage mechanism according to claim 1, wherein:

the connecting rod (3) and the bearing ring (2) are integrally formed.

6. The linkage mechanism according to claim 1, wherein:

and a reinforcing rib is arranged between the connecting rod (3) and the bearing ring (2).

7. The linkage mechanism according to claim 1, wherein:

an anti-abrasion pad is arranged at the contact position of the bearing part (201) and the eccentric gear (1).

8. The linkage mechanism according to claim 1, wherein:

the bearing part (201) is made of elastic materials.

9. The linkage mechanism according to claim 1, wherein:

the eccentric gear (1) comprises a driven fluted disc (101) and a gear shaft (102) which are coaxially arranged and synchronously rotate, and an eccentric shaft sleeve (103) is sleeved on the gear shaft (102).

10. A water pump device is characterized in that: the water pump device comprises a cylinder body (5), a connecting rod mechanism according to any one of claims 1-9 is arranged in the cylinder body (5), a piston (6) is further arranged at one end, away from the bearing ring (2), of the connecting rod (3), and the piston (6) is arranged in the cylinder body (5) and is coaxial with the cylinder body (5).